Gaya APA
Creswell, John W.. (1994).
Research design : qualitative and quantitative approaches / John W. Creswell .
London:
SAGE Publications.
Gaya Chicago
Creswell, John W..
Research design : qualitative and quantitative approaches / John W. Creswell.
London:
SAGE Publications,
1994.
Textbook.
Gaya MLA
Creswell, John W..
Research design : qualitative and quantitative approaches / John W. Creswell.
London:
SAGE Publications,
1994.
Textbook.
Gaya Turabian
Creswell, John W..
Research design : qualitative and quantitative approaches / John W. Creswell.
London:
SAGE Publications,
1994.
Textbook.